3. Modeling A#

3.1. Characteristics of modeling#

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3.2. Characteristics of the mesh#

Number of knots: 169, Number of meshes and types: 36 QUAD9

3.3. Tested features#

We look for the frequencies in the interval \((80.,570.)\) using the option “AJUSTE” of the command CALC_MODES.

3.4. Tested sizes and results#

(Frequencies in hertz)

Identification mode number

Reference

% difference

1

85.6

0.366

2

134.5

3.021

3

259

—4.664

4

351

—2.361

5

395

—2.112

6

531

0.112